Located in Burundi, Democratic Republic of the Congo, Nigeria, Swaziland, Uganda, and Zambia
Uganda has both the world’s youngest population, with more than half of Ugandans under the age of 18, and the highest youth unemployment rate: recorded at as high as 83 per cent in 2008. - See more at: http://unicefinnovation.org/case-studies/ureport-community-empowerment-rapidsms-uganda#sthash.yk0ykuWE.dpuf
Over 200,000 Ugandans use U-report, including all members of Parliament. The Burundi version is available here: http://burundi.rapidsms.org/
Technically speaking, U-report leverages the work of rapidsms-polls to provide an easy system for polling a large number of users, and adds a visualization layer to aggregate poll results exposed in as JSON in the polling app.